/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
#ifndef FLINK_TNEL_USERFACINGMAPSTATE_H
#define FLINK_TNEL_USERFACINGMAPSTATE_H
#include "core/api/common/state/MapState.h"

template <typename K, typename V>
class UserFacingMapState : public MapState<K, V> {
public:
    void clear() override {};
    UserFacingMapState(MapState<K, V> *originalState) : originalState(originalState) {};
    std::optional<V> get(const K &key) override { return originalState->get(key); };
    void remove(const K &key) override {};
    void put(const K &key, const V &value) override { originalState->put(key, value); };
    bool contains(const K &key) override { return originalState->contains(key); };

    typename emhash7::HashMap<K, V>::Iterator *iterator() override { return originalState->iterator(); };
private:
    MapState<K, V> *originalState;
};

#endif // FLINK_TNEL_USERFACINGMAPSTATE_H
